"is coupled to" is correct and usable in written English.
You can use it when two people or things are joined together or linked in some way. For example, "This room is coupled to the main living area."
Comedy is coupled to self-delusion, and is sharpest at the moment it collapses.
The hyperbole works as long as it is coupled to Tartt's precise descriptions or her accurate ear for dialogue.
Since the electric motor is coupled to the engine, it never drives the wheels by itself.
When the tractor is coupled to a trailer, the operator rides.
Methionine is coupled to betaine, glycine and serine metabolism.
Normally, the sensing unit is coupled to the microprocessor.
The molecule is coupled to two zigzag graphene nanoribbon electrodes.
The optimization algorithm is coupled to the cheap metamodel.
Cell performance is coupled to the channel conditions.
The anisotropy is coupled to the macroscopic response of the plates, while sequencing is coupled to the microscopic response.
A multicomponent multiphase field model is coupled to thermodynamic databases.
